HK1157986A1 - Apparatus for merging spatial audio streams - Google Patents

Apparatus for merging spatial audio streams

Info

Publication number
HK1157986A1
HK1157986A1 HK11111998.6A HK11111998A HK1157986A1 HK 1157986 A1 HK1157986 A1 HK 1157986A1 HK 11111998 A HK11111998 A HK 11111998A HK 1157986 A1 HK1157986 A1 HK 1157986A1
Authority
HK
Hong Kong
Prior art keywords
representation
wave
merged
spatial audio
audio stream
Prior art date
Application number
HK11111998.6A
Other languages
English (en)
Inventor
Galdo Giovanni Del
Fabian Kuech
Markus Kallinger
Ville Pulkki
Mikko-Ville Laitinen
Richard Schultz-Amling
Original Assignee
Fraunhofer Ges Forschung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of HK1157986A1 publication Critical patent/HK1157986A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
HK11111998.6A 2008-08-13 2011-11-07 Apparatus for merging spatial audio streams HK1157986A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8852008P 2008-08-13 2008-08-13
EP09001397A EP2154910A1 (en) 2008-08-13 2009-02-02 Apparatus for merging spatial audio streams
PCT/EP2009/005827 WO2010017966A1 (en) 2008-08-13 2009-08-11 Apparatus for merging spatial audio streams

Publications (1)

Publication Number Publication Date
HK1157986A1 true HK1157986A1 (en) 2012-07-06

Family

ID=40605771

Family Applications (1)

Application Number Title Priority Date Filing Date
HK11111998.6A HK1157986A1 (en) 2008-08-13 2011-11-07 Apparatus for merging spatial audio streams

Country Status (15)

Country Link
US (1) US8712059B2 (ru)
EP (2) EP2154910A1 (ru)
JP (1) JP5490118B2 (ru)
KR (1) KR101235543B1 (ru)
CN (1) CN102138342B (ru)
AT (1) ATE546964T1 (ru)
AU (1) AU2009281355B2 (ru)
BR (1) BRPI0912453B1 (ru)
CA (1) CA2734096C (ru)
ES (1) ES2382986T3 (ru)
HK (1) HK1157986A1 (ru)
MX (1) MX2011001653A (ru)
PL (1) PL2324645T3 (ru)
RU (1) RU2504918C2 (ru)
WO (1) WO2010017966A1 (ru)

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EP2375410B1 (en) 2010-03-29 2017-11-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. A spatial audio processor and a method for providing spatial parameters based on an acoustic input signal
US9313599B2 (en) 2010-11-19 2016-04-12 Nokia Technologies Oy Apparatus and method for multi-channel signal playback
US9456289B2 (en) * 2010-11-19 2016-09-27 Nokia Technologies Oy Converting multi-microphone captured signals to shifted signals useful for binaural signal processing and use thereof
US9055371B2 (en) 2010-11-19 2015-06-09 Nokia Technologies Oy Controllable playback system offering hierarchical playback options
TWI489450B (zh) 2010-12-03 2015-06-21 Fraunhofer Ges Forschung 用以產生音訊輸出信號或資料串流之裝置及方法、和相關聯之系統、電腦可讀媒體與電腦程式
EP2600343A1 (en) * 2011-12-02 2013-06-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for merging geometry - based spatial audio coding streams
WO2013150341A1 (en) 2012-04-05 2013-10-10 Nokia Corporation Flexible spatial audio capture apparatus
BR112015005456B1 (pt) 2012-09-12 2022-03-29 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E. V. Aparelho e método para fornecer capacidades melhoradas de downmix guiado para áudio 3d
EP2733965A1 (en) * 2012-11-15 2014-05-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating a plurality of parametric audio streams and apparatus and method for generating a plurality of loudspeaker signals
US10635383B2 (en) 2013-04-04 2020-04-28 Nokia Technologies Oy Visual audio processing apparatus
EP2997573A4 (en) 2013-05-17 2017-01-18 Nokia Technologies OY Spatial object oriented audio apparatus
EP2824661A1 (en) 2013-07-11 2015-01-14 Thomson Licensing Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals
US9693009B2 (en) 2014-09-12 2017-06-27 International Business Machines Corporation Sound source selection for aural interest
CN106716525B (zh) * 2014-09-25 2020-10-23 杜比实验室特许公司 下混音频信号中的声音对象插入
BR112018007276A2 (pt) 2016-03-15 2018-10-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. aparelho, método ou programa de computador para gerar uma descrição de campo de som
GB2549532A (en) * 2016-04-22 2017-10-25 Nokia Technologies Oy Merging audio signals with spatial metadata
WO2018064296A1 (en) 2016-09-29 2018-04-05 Dolby Laboratories Licensing Corporation Method, systems and apparatus for determining audio representation(s) of one or more audio sources
CA3076703C (en) 2017-10-04 2024-01-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus, method and computer program for encoding, decoding, scene processing and other procedures related to dirac based spatial audio coding
CN111656442A (zh) * 2017-11-17 2020-09-11 弗劳恩霍夫应用研究促进协会 使用量化和熵编码来编码或解码定向音频编码参数的装置和方法
GB2574238A (en) * 2018-05-31 2019-12-04 Nokia Technologies Oy Spatial audio parameter merging
US11699451B2 (en) * 2018-07-02 2023-07-11 Dolby Laboratories Licensing Corporation Methods and devices for encoding and/or decoding immersive audio signals
CN110517703B (zh) 2019-08-15 2021-12-07 北京小米移动软件有限公司 一种声音采集方法、装置及介质

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Also Published As

Publication number Publication date
AU2009281355B2 (en) 2014-01-16
MX2011001653A (es) 2011-03-02
KR101235543B1 (ko) 2013-02-21
CA2734096C (en) 2015-12-01
CN102138342B (zh) 2014-03-12
RU2011106582A (ru) 2012-08-27
BRPI0912453A2 (pt) 2019-11-19
KR20110055622A (ko) 2011-05-25
BRPI0912453B1 (pt) 2020-12-01
CN102138342A (zh) 2011-07-27
WO2010017966A1 (en) 2010-02-18
PL2324645T3 (pl) 2012-07-31
EP2154910A1 (en) 2010-02-17
JP5490118B2 (ja) 2014-05-14
ATE546964T1 (de) 2012-03-15
US8712059B2 (en) 2014-04-29
JP2011530720A (ja) 2011-12-22
ES2382986T3 (es) 2012-06-15
US20110216908A1 (en) 2011-09-08
CA2734096A1 (en) 2010-02-18
RU2504918C2 (ru) 2014-01-20
EP2324645B1 (en) 2012-02-22
AU2009281355A1 (en) 2010-02-18
EP2324645A1 (en) 2011-05-25

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